Construction of plinth and erection of shelter at Naramvarigudem of Khammam OA, Nalgonda BA

Amount

1). Earth work in excavation by mechanical means (Hydraulic excavator) / manual means in foundation trenches or drains (not exceeding 1.5 m in width or 10 sqm on plan) including dressing of sides and ramming of bottoms, lift up to 1.5 m, including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m.

(a). All kinds of soil.

2). Filling available excavated earth (excluding rock) in trenches, plinth, sides of foundations etc. in layers not exceeding 20cm in depth, consolidating each deposited layer by ramming and watering, lead up to 50 m and lift up to 1.5 m.

3). Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level :

(a). 1:1½:3 (1 Cement: 1½ coarse sand(zone-III) derived from natural sources : 3 graded stone aggregate 20 mm nominal size derived from natural sources).

(b). 1:4:8 (1 Cement : 4 coarse sand(zone-III) derived from natural sources : 8 graded stone aggregate 40 mm nominal size derived from natural sources).

4). Providing and laying in position specified grade of reinforced cement concrete, excluding the cost of centering, shuttering, finishing and reinforcement - All work up to plinth level :

(a). 1:1.5:3 (1 cement : 1.5 coarse sand (zone-III) derived from natural sources : 3 graded stone aggregate 20 mm nominal size derived from natural sources)

5). Centering and shuttering including strutting, propping etc. and removal of form for all heights:

(a). Foundations, footings, bases of columns, etc. for mass concrete

(b). Columns, Pillars, Piers, Abutments, Posts and Struts

6). Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete above plinth level.

(a). Thermo-Mechanically Treated bars of grade Fe-500 D or more.

7). Brick work with common burnt clay F.P.S. (non modular) bricks of class designation 7.5 in foundation and plinth in:

(a). Cement mortar 1:6 (1 cement : 6 coarse sand)

8). 12 mm cement plaster of mix :

(a). 1:6 (1 cement: 6 fine sand)

9). Painting with synthetic enamel paint of approved brand and manufacture of required colour to give an even shade:

(a). Two or more coats on new work over an under coat of suitable shade with ordinary paint of approved brand and manufacture.

10). Supplying and filling moorum(excluding rock) in trenches, plinth, sides of foundations etc. in layers not exceeding 20cm in depth, consolidating each deposited layer by ramming and watering, lead up to 50 m and lift up to 1.5 m.

11). Assembling BTS shelter of size 2.13m x 3.13m x 2.73m with available Aluminium PUF panels including laying the bottom with plywood panels and anti-static flooring using necessary silicon sealant, aluminium rivets, SR adhesive for fixing the anti-static flooring or any other consumables and arranging sealant applying guns, rivet fixing guns as required for assembling the shelter. The work shall be carried by specialized fabricator as directed by Engineer-in-charge.

12). Supplying of missing TOWER material of Galvanized Structural steel work riveted, bolted or welded in build up sections, trusses and framed work, including cutting, with Galvanized steel sections consisting of Angles, Flats, Plates and tubes fabricated as per approved drawing. The galvanizing shall be as per IS: 4759 with average mass of zinc coating of 610 gm/sqm (approximately 85 micron). The steel sections shall be of M.S.grade 'A' as per IS: 2062. Cost of galvanization is inclusive. The payment shall be made as per the standard structural steel tables for the bare steel sectional weights. All complete as directed by the Engineer-in-Charge

13). Transportation of shelter material consists of MS I sections (2 Nos x 3.00m long), shelter sandwich panels, ply wood bottom, PVC flooring etc., including collecting from stores at Hyderabad to site of work at Naramvarigudem in Khammam OA and including loading and unloading and waiting charges etc., all complete

14). Providing and fixing precoated galvanized iron profile sheets (size, shape and pitch of corrugation as approved by Engineer-in-Charge) of total coated thickness 0.50 mm (base metal of minimum 0.45 mm thickness with total coating thickness of 0.05mm) with zinc coating 120 grams per sqm as per IS: 277, in 240 mpa steel grade, 5-7 microns epoxy primer on both side of the sheet and polyester top coat 15-18 microns.

Sheet should have protective guard film of 25 microns minimum to avoid scratches during transportation and should be supplied in single length upto 12 metre or as desired by Engineer-in-charge. The sheet shall be fixed using self drilling /self tapping screws of size (5.5x 55 mm) with EPDM seal, complete upto any pitch in horizontal/ vertical or curved surfaces, excluding the cost of purlins, rafters and trusses and including cutting to size and shape wherever required.

15). Supplying plain lining with necessary screws/nuts & bolts/nails including a coat of approved primer on one face complete as per direction of Engineer-in-charge.

(a).18mm thick commercial ply conforming to IS : 1328 BWR type.

16). Supplying 2.00mm thick antistatic polyvinyl chloride sheet, DUNLOP rubber based adhesive (viz: 8753 or equivalent) and 25mm wide copper strip in required pattern all complete as per specifications & as directed by the Engineer-in-charge.